The KPN SenML library helps you create and parse senml documents in both json and cbor format. The library can be used for sending sensor data and receiving actuator commands.
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Diff: senml_double_pack.cpp
- Revision:
- 0:a9259748d982
diff -r 000000000000 -r a9259748d982 senml_double_pack.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/senml_double_pack.cpp Sat May 19 17:35:20 2018 +0000 @@ -0,0 +1,78 @@ +/* _ __ ____ _ _ + * | |/ / | _ \ | \ | | + * | ' / | |_) | | \| | + * | . \ | __/ | |\ | + * |_|\_\ |_| |_| \_| + * + * (c) 2018 KPN + * License: MIT License. + * Author: Jan Bogaerts + * + * pack (document) with double base values + */ + + +#include <senml_double_pack.h> +#include <senml_helpers.h> +#include <cbor.h> + + +void SenMLDoublePack::setupStreamCtx(Stream *dest, SenMLStreamMethod format) +{ + SenMLPack::setupStreamCtx(dest, format); + _streamCtx->baseValue.baseDouble = this->getBaseValue(); + _streamCtx->baseSum.baseDouble = this->getBaseValue(); + _streamCtx->baseDataType = CBOR_TYPE_DOUBLE; +} + +void SenMLDoublePack::setupStreamCtx(char *dest, int length, SenMLStreamMethod format) +{ + SenMLPack::setupStreamCtx(dest, length, format); + _streamCtx->baseValue.baseDouble = this->getBaseValue(); + _streamCtx->baseSum.baseDouble = this->getBaseValue(); + _streamCtx->baseDataType = CBOR_TYPE_DOUBLE; +} + +void SenMLDoublePack::fieldsToJson() +{ + double val; + SenMLPack::fieldsToJson(); + val = this->getBaseValue(); + if(val != 0){ + printText(",\"bv\":", 6); + printDouble(val, SENML_MAX_DOUBLE_PRECISION); + } + + val = this->getBaseSum(); + if(val != 0){ + printText(",\"bs\":", 6); + printDouble(val, SENML_MAX_DOUBLE_PRECISION); + } + +} + +int SenMLDoublePack::fieldsToCbor() +{ + int val; + int res = SenMLPack::fieldsToCbor(); + + val = this->getBaseValue(); + if(val){ + res += cbor_serialize_int(SENML_CBOR_VB_LABEL); + res += cbor_serialize_double(val); + } + + val = this->getBaseSum(); + if(val){ + res += cbor_serialize_int(SENML_CBOR_BS_LABEL); + res += cbor_serialize_double(val); + } + return res; +} + + + + + + +